I used to buy one thinking there were 2 packs but it wasn't. I bought it back and the next one had storage issues. LM12UU did not drive smoothly and got stuck on it. I even swapped out parts and tried 4 bearings to see if the problem was with the bearing or the connecting rod and it turned out to be a bad connecting rod. Conclusion: 1 connecting rod was good, one was bad. Unfortunately, I'm out of the returns window. .
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